Se connecter
Mathematics for IGCSE & O level - Estimation (Section 4 - No. 9)
What is the approximate area of a rectangle with a length of 7.8 cm and a width of 4.2 cm (rounded to 1 s.f.)?
28 cm²
32 cm²
30 cm²
36 cm²
Explication
7.8 * 4.2 ~ 8 * 4 = 32
Commentaires (0)
Connectez-vous pour commenter
Publicité
Autoriser javascript à charger correctement cette page
